Click on the elements of interest for more details,
 or make a new query .
The numbers that are shown in the parentheses indicate how
many of your word queries appear in each category.
- ortho-, orth- (Greek: right, straight, correct, true; designed to correct)  (one matching result)
 
- ptero-, pter-, -ptera, -pteron, -pteryx, -ptery, -pterous (Greek: feather, wing, winglike)  (one matching result)
 
- acrido-, acrid-, acris- (Greek: grasshopper)  (one matching result)